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Finding the Third Proportional to 1,957.50 and 4,316.63

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Solution

The third proportional to 1,957.50 and 4,316.63 is: 9,518.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,957.50 : 4,316.63 = 4,316.63 : x
  2. Step 2: Convert to fraction form
    1,957.50/4,316.63 = 4,316.63/x
  3. Step 3: Cross multiply
    1,957.50x = 4,316.63 × 4,316.63
  4. Step 4: Simplify right side
    1,957.50x = 18,633,251.39
  5. Step 5: Solve for x
    x = 18,633,251.39/1,957.50
  6. Step 6: Final answer
    x = 9,518.90

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Why These Related Problems?

These problems maintain the same ratio (2.21) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.